Rotor for rotary wing aircraft

Details Rotor for rotary wing aircraft Rotor for rotary wing aircraft

B - Operations, Transporting

64

C

B64C 27/473 (2006.01)

Patent

CA 2348677

A rotor for rotary wing aircraft includes a number of features that reduce the collective forces required to control the pitch of the rotor. The spar caps of the spar become joined to one another at the same point where bonding begins between the blade and the spar. The tendency of blade to want to flatten out is minimized since the centrifugal force acting on the spar is located at or near the pitch change axis. Tip weights are located at or near the pitch change axis as well. In a preferred embodiment, the tip weights are located evenly in front of and behind the structural center of the inboard section of the spar. The blade of the rotor and the tip are not swept back.

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